HEATKEYS

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Twitter is without a doubt the best way to share and discover what is happening right now.

Photoblog is the best photoblogging service in the world! Share and preserve your photographs by date.

Web technology information profiler tool. Find out what a website is built with.

Geolocation lookup for any domain names, tlds and IPs and localise them on a map.

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.

The Web

AcademicPub lets professors, institutions, and bookstores create custom course packs with real time copyright clearance.

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...

xuezhihua.com

Patent directory service

Readcube is a free, simple, academic software and reference manager for researchers. Read Cube helps researchers organize, annotate and stay on top of new research literature.